MESON Chess Problem Database

Problem Display
PID: 99354 (BQ6/2R5/8/2Nnrb2/2Rp1kpK/2p5/3r1P2/2B3N1 w - - 0 1)

Piatesi, Antonio

Magyar Sakkelet, 1985

BQ6/2R5/8/2Nnrb2/2Rp1kpK/2p5/3r1P2/2B3N1

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Sd3#
  • Tries
    • 1.Rxd4+?
      • 1...Re4
        • 2.Sd3#
      • 1...Be4!
  • Keys
    • 1.Rf7!
      • threat
        • 2.Rxd4#
      • 1...Se3
        • 2.Se6#
      • 1...Sf6
        • 2.Se2#
      • 1...Sc7
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(g);N_SPINP(c),SBLOCK,S_CUTB(h)::S(F)
  • Tries
    • Try
      • R(D);CHECK,XP(c)
      • Vars
        • R(g);::S(F)
      • Refutation
        • B(h);P_SPINB(h)
  • Actual
    • R(G);P_PINB(h)
    • Threat
      • R(D),XP(c)
    • Vars
      • S(f);N_SPINR(a),P_SPINR(g)::S(F)
      • S(f);N_SPINB(h)::S(B)
      • S(f);::S(F)
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